/Engine/Plugins/Runtime/GeometryProcessing/Source/DynamicMesh/Public/Operations/FFDLattice.h
Create a lattice that fits the given mesh and has the given resolution along each dimension. Also precompute the weight of each mesh vertex inside the appropriate lattice cell.
FFFDLattice ( const [FVector3i](API\Runtime\GeometryCore\FVector3i) & InDims, const [FDynamicMesh3](API\Runtime\GeometryCore\DynamicMesh\FDynamicMesh3) & InMesh, float Padding )